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Federated PostgreSQL

As more and more alternative data stores come into use, the problem of being able to easily use and report on the data scattered across those data stores becomes increasingly difficult. PostgreSQL has a feature called Foreign Data Wrappers that allows external data sources to be queried from PostgreSQL and look like a standard table. Using Foreign Data Wrappers, users can create a report that joins data residing in Oracle, Hadoop and MongoDB all in a single query.

In this talk, we'll discuss how to set up a Foreign Data Wrapper for various data sources and the pros and cons using them. We'll also discuss the growing ecosystem of Foreign Data Wrapper and a little about how to write one.